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Effects of Bamboo Powder Supplementation on Growth Performance, Blood Metabolites and Carcass Characteristics of Fattening Pigs and Gas Emission and Microbial Populations in Pig Manure

대나무 분말 첨가가 돼지생산성, 도체특성, 혈액성상, 돈분의 가스발생량 및 미생균 균총에 미치는 영향

  • Song, Young-Min (Department of Animal Resource Technology, Gyeongnam National University of Science and Technology) ;
  • Cho, Jae-Hyeon (Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University) ;
  • Chu, Gyo-Moon (Busan-Bio, Nonghyup Feed Co.) ;
  • Kim, Hoi-Yun (Department of Animal Resource Technology, Gyeongnam National University of Science and Technology) ;
  • Lee, Jae-Young (Department of Animal Resource Technology, Gyeongnam National University of Science and Technology) ;
  • Kim, Seung-Cheol (Department of Animal Resource Technology, Gyeongnam National University of Science and Technology) ;
  • Kim, Sam-Churl (Division of Applied Life Science (BK21Plus, Insti. of Agric. & Life Sci.), Gyeongsang National University)
  • 송영민 (경남과학기술대학교 동물소재공학과) ;
  • 조재현 (경상대학교 수의학과) ;
  • 추교문 (농협사료 부산바이오) ;
  • 김회윤 (경남과학기술대학교 동물소재공학과) ;
  • 이재영 (경남과학기술대학교 동물소재공학과) ;
  • 김승철 (경남과학기술대학교 동물소재공학과) ;
  • 김삼철 (경상대학교 응용생명과학부(BK21Plus, 농업생명과학연구원))
  • Received : 2014.07.02
  • Accepted : 2014.08.05
  • Published : 2014.08.29

Abstract

In this study, we investigated the effects of dietary supplementation (n = 40 pigs/treatment) with bamboo powder (0, 1, 2 and 3%) for 38 days. We evaluated growth performance, blood metabolites, and carcass characteristics of fattening pigs and gas emission and microbial populations in pig manure, to obtain data on pork producers for environmental management. We obtained the following results. First, supplementation with increasing amounts of bamboo powder had a significant (P < 0.05) effect on feed intake, feed efficiency, and glucose contents (except for initial and final body weight, weight gain, carcass characteristics, and blood urea nitrogen). In terms of blood metabolites, glucose and blood urea nitrogen tended to decrease with increasing amounts of bamboo powder. Second, the amounts of ammonia, methane, amine, hydrogen sulfide, and acetic acid were reduced by increasing amounts of bamboo powder when compared with the controls (P < 0.05). However, there were no significant differences in pH, propionic acid, iso-butyric acid, butyric acid, iso-valeric acid, and valeric acid among all treatments. The lowest gas emission was observed when 3% bamboo powder was used. Third, supplementation with increasing amounts of bamboo powder tended (P < 0.05) to increase the total number of bacteria, Lactobacillus spp., and yeast, but E. coli, Salmonella spp., and Shigella spp. were not detected in any treatment. In conclusion, the results of this study suggest that supplementation with bamboo powder was effective in reducing gas emission and inhibiting pathogen populations in pig manure by lowering the pH of the manure.

Keywords

Bamboo powder;Growth performance;Carcass characteristics;Blood metabolites;Gas emission;Microbial Population;Pig manure

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